./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e3ed9850bae7d066050d32134f925a24fb3772d .................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e3ed9850bae7d066050d32134f925a24fb3772d ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:53:53,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:53:53,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:53:53,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:53:53,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:53:53,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:53:53,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:53:53,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:53:53,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:53:53,371 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:53:53,372 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:53:53,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:53:53,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:53:53,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:53:53,374 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:53:53,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:53:53,375 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:53:53,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:53:53,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:53:53,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:53:53,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:53:53,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:53:53,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:53:53,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:53:53,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:53:53,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:53:53,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:53:53,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:53:53,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:53:53,385 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:53:53,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:53:53,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:53:53,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:53:53,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:53:53,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:53:53,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:53:53,388 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:53:53,397 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:53:53,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:53:53,398 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:53:53,398 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:53:53,398 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:53:53,398 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:53:53,398 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:53:53,399 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:53:53,399 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:53:53,399 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:53:53,399 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:53:53,399 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:53:53,399 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:53:53,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:53:53,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:53:53,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:53:53,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:53,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:53:53,402 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3ed9850bae7d066050d32134f925a24fb3772d [2018-11-18 15:53:53,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:53:53,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:53:53,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:53:53,434 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:53:53,435 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:53:53,435 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c [2018-11-18 15:53:53,471 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/c1338c5a8/86f0cb39e0aa4e29910debf5841c75fb/FLAG2ddb1b0ec [2018-11-18 15:53:53,783 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:53:53,784 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c [2018-11-18 15:53:53,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/c1338c5a8/86f0cb39e0aa4e29910debf5841c75fb/FLAG2ddb1b0ec [2018-11-18 15:53:53,800 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/c1338c5a8/86f0cb39e0aa4e29910debf5841c75fb [2018-11-18 15:53:53,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:53:53,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:53:53,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:53,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:53:53,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:53:53,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:53" (1/1) ... [2018-11-18 15:53:53,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:53, skipping insertion in model container [2018-11-18 15:53:53,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:53" (1/1) ... [2018-11-18 15:53:53,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:53:53,840 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:53:54,004 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:54,007 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:53:54,071 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:54,088 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:53:54,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54 WrapperNode [2018-11-18 15:53:54,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:54,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:54,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:53:54,089 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:53:54,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:54,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:53:54,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:53:54,108 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:53:54,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... [2018-11-18 15:53:54,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:53:54,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:53:54,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:53:54,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:53:54,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 15:53:54,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 15:53:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:53:54,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:53:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 15:53:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:53:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 15:53:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:53:54,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:53:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 15:53:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:53:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-11-18 15:53:54,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-11-18 15:53:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:53:54,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:53:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:53:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:53:54,508 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:53:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:54 BoogieIcfgContainer [2018-11-18 15:53:54,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:53:54,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:53:54,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:53:54,512 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:53:54,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:53:53" (1/3) ... [2018-11-18 15:53:54,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca8d90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:53:54, skipping insertion in model container [2018-11-18 15:53:54,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:54" (2/3) ... [2018-11-18 15:53:54,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca8d90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:53:54, skipping insertion in model container [2018-11-18 15:53:54,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:54" (3/3) ... [2018-11-18 15:53:54,515 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a_true-unreach-call.c [2018-11-18 15:53:54,522 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:53:54,527 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:53:54,536 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:53:54,563 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:53:54,563 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:53:54,563 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:53:54,563 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:53:54,563 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:53:54,563 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:53:54,563 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:53:54,563 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:53:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-11-18 15:53:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 15:53:54,577 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:54,578 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:54,580 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:54,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash -616498689, now seen corresponding path program 1 times [2018-11-18 15:53:54,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:54,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:54,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:54,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:54,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:53:54,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:54,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:53:54,676 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:54,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:53:54,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:53:54,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:53:54,688 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2018-11-18 15:53:54,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:54,707 INFO L93 Difference]: Finished difference Result 150 states and 239 transitions. [2018-11-18 15:53:54,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:53:54,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-18 15:53:54,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:54,717 INFO L225 Difference]: With dead ends: 150 [2018-11-18 15:53:54,717 INFO L226 Difference]: Without dead ends: 74 [2018-11-18 15:53:54,720 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:53:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-18 15:53:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-18 15:53:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-18 15:53:54,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2018-11-18 15:53:54,753 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 25 [2018-11-18 15:53:54,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:54,753 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2018-11-18 15:53:54,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:53:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-18 15:53:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 15:53:54,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:54,755 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:54,755 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:54,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:54,755 INFO L82 PathProgramCache]: Analyzing trace with hash 9368805, now seen corresponding path program 1 times [2018-11-18 15:53:54,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:54,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:54,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:54,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:54,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:53:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:53:54,852 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:53:54,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:53:54 BoogieIcfgContainer [2018-11-18 15:53:54,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:53:54,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:53:54,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:53:54,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:53:54,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:54" (3/4) ... [2018-11-18 15:53:54,883 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 15:53:54,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:53:54,884 INFO L168 Benchmark]: Toolchain (without parser) took 1080.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -96.0 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:54,885 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:54,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:54,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:54,886 INFO L168 Benchmark]: Boogie Preprocessor took 32.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:54,886 INFO L168 Benchmark]: RCFGBuilder took 368.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:54,886 INFO L168 Benchmark]: TraceAbstraction took 370.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:53:54,887 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:53:54,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 368.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 370.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 189]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 188, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [\old(one_fmod)=10737418257, \old(Zero_fmod)=10737418254, \old(Zero_fmod)=10737418249, one_fmod=1, Zero_fmod={10737418252:0}] [L180] double y = 1.0 / 0.0; [L181] double x = __VERIFIER_nondet_double(); [L183] CALL isfinite_double(x) VAL [\old(x)=10737418245, one_fmod=1, Zero_fmod={10737418252:0}] [L164] __int32_t hx; VAL [\old(x)=10737418245, one_fmod=1, x=10737418245, Zero_fmod={10737418252:0}] [L166] FCALL ieee_double_shape_type gh_u; [L167] FCALL gh_u.value = (x) [L168] EXPR, FCALL gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L169] COND FALSE !(0) VAL [\old(x)=10737418245, hx=-2147483648, one_fmod=1, x=10737418245, Zero_fmod={10737418252:0}] [L170] RET return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=10737418245, \result=5, hx=-2147483648, one_fmod=1, x=10737418245, Zero_fmod={10737418252:0}] [L183] isfinite_double(x) VAL [isfinite_double(x)=5, one_fmod=1, x=10737418245, Zero_fmod={10737418252:0}] [L183] COND TRUE isfinite_double(x) [L185] CALL, EXPR fmod_double(x, y) VAL [\old(x)=10737418245, \old(y)=10737418258, one_fmod=1, Zero_fmod={10737418252:0}] [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [\old(x)=10737418245, \old(y)=10737418258, one_fmod=1, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L28] FCALL ieee_double_shape_type ew_u; [L29] FCALL ew_u.value = (x) [L30] EXPR, FCALL ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR, FCALL ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L32] COND FALSE !(0) VAL [\old(x)=10737418245, \old(y)=10737418258, hx=-2147483648, lx=10737418256, one_fmod=1, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L34] FCALL ieee_double_shape_type ew_u; [L35] FCALL ew_u.value = (y) [L36] EXPR, FCALL ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR, FCALL ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L38] COND FALSE !(0) VAL [\old(x)=10737418245, \old(y)=10737418258, hx=-2147483648, hy=2, lx=10737418256, ly=10737418243, one_fmod=1, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [\old(x)=10737418245, \old(y)=10737418258, lx=10737418256, ly=10737418243, one_fmod=1, sx=-1, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] RET return (x * y) / (x * y); VAL [\old(x)=10737418245, \old(y)=10737418258, hx=2146435072, lx=10737418256, ly=10737418243, one_fmod=1, sx=-1, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L185] EXPR fmod_double(x, y) VAL [fmod_double(x, y)=10737418246, one_fmod=1, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L185] double res = fmod_double(x, y); [L188] COND TRUE res != x VAL [one_fmod=1, res=10737418246, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] [L189] __VERIFIER_error() VAL [one_fmod=1, res=10737418246, x=10737418245, y=10737418258, Zero_fmod={10737418252:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 79 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 106 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 15:53:56,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:53:56,254 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:53:56,261 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:53:56,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:53:56,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:53:56,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:53:56,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:53:56,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:53:56,265 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:53:56,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:53:56,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:53:56,266 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:53:56,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:53:56,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:53:56,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:53:56,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:53:56,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:53:56,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:53:56,272 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:53:56,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:53:56,274 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:53:56,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:53:56,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:53:56,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:53:56,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:53:56,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:53:56,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:53:56,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:53:56,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:53:56,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:53:56,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:53:56,280 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:53:56,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:53:56,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:53:56,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:53:56,281 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 15:53:56,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:53:56,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:53:56,292 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:53:56,292 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:53:56,293 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:53:56,293 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:53:56,293 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:53:56,293 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:53:56,293 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:53:56,293 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:53:56,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:53:56,294 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:53:56,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:53:56,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:53:56,294 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:53:56,294 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:53:56,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:53:56,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:53:56,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:53:56,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:53:56,296 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:53:56,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:56,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:53:56,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:53:56,297 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:53:56,297 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 15:53:56,297 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:53:56,297 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 15:53:56,297 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 15:53:56,297 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3ed9850bae7d066050d32134f925a24fb3772d [2018-11-18 15:53:56,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:53:56,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:53:56,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:53:56,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:53:56,334 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:53:56,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c [2018-11-18 15:53:56,368 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/36a0745aa/71fe597d3fd645e28190ce8f265ea39c/FLAG9559f1b6a [2018-11-18 15:53:56,767 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:53:56,767 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/sv-benchmarks/c/float-newlib/double_req_bl_1131a_true-unreach-call.c [2018-11-18 15:53:56,771 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/36a0745aa/71fe597d3fd645e28190ce8f265ea39c/FLAG9559f1b6a [2018-11-18 15:53:56,779 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/data/36a0745aa/71fe597d3fd645e28190ce8f265ea39c [2018-11-18 15:53:56,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:53:56,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:53:56,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:56,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:53:56,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:53:56,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:56" (1/1) ... [2018-11-18 15:53:56,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381a1de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:56, skipping insertion in model container [2018-11-18 15:53:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:56" (1/1) ... [2018-11-18 15:53:56,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:53:56,813 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:53:56,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:56,966 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:53:57,004 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:57,023 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:53:57,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57 WrapperNode [2018-11-18 15:53:57,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:57,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:57,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:53:57,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:53:57,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:57,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:53:57,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:53:57,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:53:57,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... [2018-11-18 15:53:57,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:53:57,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:53:57,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:53:57,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:53:57,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:57,147 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 15:53:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 15:53:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 15:53:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 15:53:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 15:53:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:53:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:53:57,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:53:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:53:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:53:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 15:53:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-11-18 15:53:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-11-18 15:53:57,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:53:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:53:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 15:53:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:53:57,270 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:53:57,293 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:53:57,643 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:53:57,677 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 15:54:00,127 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:54:00,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:54:00 BoogieIcfgContainer [2018-11-18 15:54:00,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:54:00,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:54:00,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:54:00,130 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:54:00,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:53:56" (1/3) ... [2018-11-18 15:54:00,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ca439f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:54:00, skipping insertion in model container [2018-11-18 15:54:00,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:57" (2/3) ... [2018-11-18 15:54:00,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ca439f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:54:00, skipping insertion in model container [2018-11-18 15:54:00,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:54:00" (3/3) ... [2018-11-18 15:54:00,133 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131a_true-unreach-call.c [2018-11-18 15:54:00,141 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:54:00,147 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:54:00,159 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:54:00,176 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:54:00,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:54:00,177 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:54:00,177 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:54:00,177 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:54:00,177 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:54:00,177 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:54:00,177 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:54:00,177 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:54:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-11-18 15:54:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 15:54:00,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:54:00,194 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:54:00,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:54:00,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:54:00,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1878055598, now seen corresponding path program 1 times [2018-11-18 15:54:00,200 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 15:54:00,201 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 15:54:00,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:54:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:54:00,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:54:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:54:00,951 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 15:54:00,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:54:00,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:54:00,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:54:00,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:54:00,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:54:00,981 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-11-18 15:54:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:54:00,997 INFO L93 Difference]: Finished difference Result 78 states and 122 transitions. [2018-11-18 15:54:00,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:54:00,998 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-18 15:54:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:54:01,004 INFO L225 Difference]: With dead ends: 78 [2018-11-18 15:54:01,004 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:54:01,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:54:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:54:01,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:54:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:54:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:54:01,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-11-18 15:54:01,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:54:01,029 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:54:01,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:54:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:54:01,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:54:01,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:54:01,093 INFO L425 ceAbstractionStarter]: For program point L165-4(lines 165 169) no Hoare annotation was computed. [2018-11-18 15:54:01,093 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-18 15:54:01,093 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-18 15:54:01,093 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2018-11-18 15:54:01,093 INFO L428 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 163 171) the Hoare annotation is: true [2018-11-18 15:54:01,094 INFO L428 ceAbstractionStarter]: At program point L165-3(lines 165 169) the Hoare annotation is: true [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L101-4(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 69 70) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L69-3(lines 69 70) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L428 ceAbstractionStarter]: At program point L69-4(lines 69 70) the Hoare annotation is: true [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L152-2(lines 140 159) no Hoare annotation was computed. [2018-11-18 15:54:01,094 INFO L425 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L152-3(lines 152 157) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point fmod_doubleFINAL(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 56) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L55-3(lines 55 56) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L428 ceAbstractionStarter]: At program point L55-4(lines 55 56) the Hoare annotation is: true [2018-11-18 15:54:01,095 INFO L428 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: true [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 58 59) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L58-3(lines 58 59) no Hoare annotation was computed. [2018-11-18 15:54:01,095 INFO L428 ceAbstractionStarter]: At program point fmod_doubleENTRY(lines 23 161) the Hoare annotation is: true [2018-11-18 15:54:01,095 INFO L428 ceAbstractionStarter]: At program point L58-4(lines 58 59) the Hoare annotation is: true [2018-11-18 15:54:01,095 INFO L425 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L428 ceAbstractionStarter]: At program point L27-3(lines 27 32) the Hoare annotation is: true [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L428 ceAbstractionStarter]: At program point L127-3(lines 127 131) the Hoare annotation is: true [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L127-4(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point fmod_doubleEXIT(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,096 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 66 67) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L33-2(lines 23 161) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L66-3(lines 66 67) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L33-3(lines 33 38) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L428 ceAbstractionStarter]: At program point L66-4(lines 66 67) the Hoare annotation is: true [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L101-2(lines 101 115) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L428 ceAbstractionStarter]: At program point L134-3(lines 134 139) the Hoare annotation is: true [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 15:54:01,097 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: true [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 191) no Hoare annotation was computed. [2018-11-18 15:54:01,097 INFO L428 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-11-18 15:54:01,098 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2018-11-18 15:54:01,098 INFO L425 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-11-18 15:54:01,098 INFO L428 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: true [2018-11-18 15:54:01,098 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 183 192) no Hoare annotation was computed. [2018-11-18 15:54:01,098 INFO L425 ceAbstractionStarter]: For program point L183-3(lines 183 192) no Hoare annotation was computed. [2018-11-18 15:54:01,098 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2018-11-18 15:54:01,098 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 189) no Hoare annotation was computed. [2018-11-18 15:54:01,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:54:01 BoogieIcfgContainer [2018-11-18 15:54:01,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:54:01,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:54:01,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:54:01,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:54:01,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:54:00" (3/4) ... [2018-11-18 15:54:01,106 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:54:01,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-11-18 15:54:01,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:54:01,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_double [2018-11-18 15:54:01,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:54:01,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 15:54:01,114 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 15:54:01,114 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:54:01,114 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:54:01,157 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1ca0b501-5a08-4a09-8e62-c17bc18b589d/bin-2019/utaipan/witness.graphml [2018-11-18 15:54:01,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:54:01,158 INFO L168 Benchmark]: Toolchain (without parser) took 4376.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -100.4 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,159 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:54:01,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.10 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,160 INFO L168 Benchmark]: Boogie Preprocessor took 33.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,160 INFO L168 Benchmark]: RCFGBuilder took 3012.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,161 INFO L168 Benchmark]: TraceAbstraction took 974.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,161 INFO L168 Benchmark]: Witness Printer took 54.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:54:01,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.10 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3012.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 974.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Witness Printer took 54.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 189]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 17 PreInvPairs, 17 NumberOfFragments, 17 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...